add possibility to deep rendering

src/component/component.ts

@@ -28,7 +28,7 @@ export class Component {
 
   setup() {}
 
-  render(): Promise<void> {
-    return this.__owl__.render();
+  render(deep: boolean = false): Promise<void> {
+    return this.__owl__.render(deep);
   }
 }

src/component/component_node.ts

@@ -48,7 +48,7 @@ export function component(
 
   const parentFiber = ctx.fiber!;
   if (node) {
-    if (hasSlots || arePropsDifferent(node.component.props, props)) {
+    if (hasSlots || parentFiber.deep || arePropsDifferent(node.component.props, props)) {
       node.updateAndRender(props, parentFiber);
     }
   } else {
@@ -148,7 +148,7 @@ export class ComponentNode<T extends typeof Component = typeof Component>
     }
   }
 
-  async render() {
+  async render(deep: boolean = false) {
     let fiber = this.fiber;
     if (fiber && !fiber.bdom && !fibersInError.has(fiber)) {
       return fiber.root.promise;
@@ -158,6 +158,7 @@ export class ComponentNode<T extends typeof Component = typeof Component>
       return;
     }
     fiber = makeRootFiber(this);
+    fiber.deep = deep;
     this.app.scheduler.addFiber(fiber);
     await Promise.resolve();
     if (this.status === STATUS.DESTROYED) {

src/component/fibers.ts

@@ -67,6 +67,7 @@ export class Fiber {
   parent: Fiber | null;
   children: Fiber[] = [];
   appliedToDom = false;
+  deep: boolean = false;
 
   constructor(node: ComponentNode, parent: Fiber | null) {
     this.node = node;